<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>

</body>
<script>
	// 2 5 3 4 1
	setTimeout(() => {
		console.log(1)
	}, 0)
	new Promise((resolve) => {
		console.log(2)
		resolve()
	}).then(() => {
		console.log(3)
	}).then(() => {
		console.log(4)
	})
	console.log(5)
</script>
</html>